/* ============================================================
   HORSEBBOOST — css/style.css
   Domain: horsebboost.com
   Theme: Crimson Red + Jet Black + Snow White
   Font: Anton (display) + Inter (body)
   Layout: Full-width centered hero with ember bg,
           formula strip, 3-col science cards,
           3×3 ingredient grid, horizontal benefit rows,
           dark-band sections
   Naming: --hb- prefix — first use in this session
   ============================================================ */

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}

:root{
  --hb-red:     #b91c1c;
  --hb-red-mid: #dc2626;
  --hb-red-lgt: #ef4444;
  --hb-red-brt: #f87171;
  --hb-red-pale:#fee2e2;
  --hb-red-xpal:#fff5f5;
  --hb-black:   #0a0a0a;
  --hb-dark:    #111111;
  --hb-dark-mid:#1a1a1a;
  --hb-card:    #1e1e1e;
  --hb-card-lgt:#252525;
  --hb-white:   #ffffff;
  --hb-off-w:   #f9f9f9;
  --hb-grey:    #f2f2f2;
  --hb-text:    #0a0a0a;
  --hb-muted:   #3f3f3f;
  --hb-faint:   #8a8a8a;
  --hb-border:  #e0e0e0;
  --hb-border-dk:#2e2e2e;

  --sh-red: 0 4px 20px rgba(185,28,28,.40);
  --sh-dark: 0 4px 20px rgba(10,10,10,.60);
  --sh-sm: 0 2px 10px rgba(10,10,10,.08);
  --sh-md: 0 6px 24px rgba(10,10,10,.12);
  --sh-lg: 0 14px 42px rgba(10,10,10,.18);

  --r-xs:   4px;
  --r-sm:   8px;
  --r-md:   14px;
  --r-lg:   22px;
  --r-pill: 999px;
}

html{scroll-behavior:smooth}
body{font-family:'Inter',sans-serif;font-size:17px;color:var(--hb-text);background:var(--hb-white);overflow-x:hidden;line-height:1.72}
h1,h2{font-family:'Anton',display;letter-spacing:.5px}
h3,h4,h5{font-family:'Inter',sans-serif;font-weight:800}
em{font-style:italic}

/* ═══ NAV ═══ */
nav{position:sticky;top:0;z-index:1000;background:var(--hb-black);padding:0 24px;height:66px;box-shadow:var(--sh-dark);border-bottom:2px solid var(--hb-red)}
.nav-inner{max-width:1240px;margin:0 auto;height:100%;display:flex;align-items:center;justify-content:space-between;gap:24px}
.nav-logo{text-decoration:none;display:flex;align-items:center;flex-shrink:0}
.ln1{font-family:'Anton',display;font-size:1.55rem;letter-spacing:.5px;color:var(--hb-white)}
.ln2{font-family:'Anton',display;font-size:1.55rem;letter-spacing:.5px;color:var(--hb-red-mid)}
.nav-links{display:flex;align-items:center;gap:22px;list-style:none}
.nav-links a{color:rgba(255,255,255,.56);text-decoration:none;font-size:.82rem;font-weight:600;text-transform:uppercase;letter-spacing:.5px;transition:color .2s;white-space:nowrap}
.nav-links a:hover{color:var(--hb-red-brt)}
.nav-cta{background:var(--hb-red)!important;color:var(--hb-white)!important;font-weight:700!important;font-size:.78rem!important;padding:8px 18px!important;border-radius:var(--r-xs)!important;transition:filter .2s!important;text-transform:uppercase!important;letter-spacing:.5px!important}
.nav-cta:hover{filter:brightness(1.18)!important}
.hamburger{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:4px;background:none;border:none}
.hamburger span{width:24px;height:2px;background:var(--hb-red-lgt);display:block;border-radius:1px}
.mobile-menu{display:none;flex-direction:column;background:var(--hb-dark);position:absolute;top:66px;left:0;right:0;padding:20px 28px;gap:14px;z-index:999;border-bottom:2px solid var(--hb-red)}
.mobile-menu.open{display:flex}
.mobile-menu a{color:rgba(255,255,255,.70);text-decoration:none;font-size:.95rem;font-weight:600;text-transform:uppercase;letter-spacing:.4px;padding:5px 0;border-bottom:.5px solid rgba(255,255,255,.07)}
.mob-cta{background:var(--hb-red)!important;color:var(--hb-white)!important;text-align:center;padding:13px!important;border-radius:var(--r-xs)!important;font-weight:700!important;margin-top:8px;text-transform:uppercase;border:none!important}

/* ═══ BUTTONS ═══ */
.cta-red{display:inline-block;background:linear-gradient(135deg,var(--hb-red) 0%,var(--hb-red-mid) 100%);color:var(--hb-white);font-family:'Inter',sans-serif;font-weight:800;font-size:.92rem;letter-spacing:.5px;text-transform:uppercase;padding:14px 38px;border-radius:var(--r-xs);text-decoration:none;transition:filter .25s,transform .2s,box-shadow .2s;box-shadow:var(--sh-red)}
.cta-red:hover{filter:brightness(1.14);transform:translateY(-3px);box-shadow:0 8px 28px rgba(185,28,28,.50)}
.cta-xl{font-size:1.05rem;padding:16px 52px}
.cta-outline{display:inline-block;background:transparent;color:rgba(255,255,255,.60);font-family:'Inter',sans-serif;font-weight:700;font-size:.82rem;text-transform:uppercase;letter-spacing:.5px;padding:13px 28px;border-radius:var(--r-xs);text-decoration:none;border:1.5px solid rgba(255,255,255,.20);transition:all .2s}
.cta-outline:hover{border-color:var(--hb-red-brt);color:var(--hb-red-brt)}

/* ═══ TAGS ═══ */
.etag{display:inline-block;font-family:'Inter',sans-serif;font-size:.64rem;font-weight:800;letter-spacing:3px;text-transform:uppercase;color:var(--hb-red-lgt);border-bottom:2px solid var(--hb-red-lgt);padding-bottom:3px;margin-bottom:14px}
.etag.etag-dk{color:var(--hb-red-mid);border-bottom-color:var(--hb-red-mid)}

/* ═══ BAND HEADERS ═══ */
.band-hdr{padding:52px 24px 40px;text-align:center}
.dark-band{background:var(--hb-black);border-top:3px solid var(--hb-red);border-bottom:1px solid var(--hb-border-dk)}
.grey-band{background:var(--hb-grey);border-top:3px solid var(--hb-red-mid);border-bottom:1px solid var(--hb-border)}
.bh-inner{max-width:760px;margin:0 auto}
.bh-inner h2{font-family:'Anton',display;font-size:1.9rem;letter-spacing:.5px;line-height:1.22;margin-bottom:10px;text-transform:uppercase}
.dark-band .bh-inner h2{color:var(--hb-white)}
.grey-band .bh-inner h2{color:var(--hb-black)}
.dark-band .bh-inner p{font-size:.92rem;color:rgba(255,255,255,.50)}
.grey-band .bh-inner p{font-size:.92rem;color:var(--hb-muted)}

/* ═══ HERO — Full-width centered + ember bg ═══ */
.hero{background:var(--hb-black);position:relative;overflow:hidden;padding:60px 24px 72px;text-align:center;border-bottom:3px solid var(--hb-red)}
/* Ember animation */
.hero-embers{position:absolute;inset:0;pointer-events:none;overflow:hidden}
.hero-embers::before,.hero-embers::after{content:'';position:absolute;width:4px;height:4px;background:var(--hb-red);border-radius:50%;animation:ember1 6s infinite ease-in-out}
.hero-embers::before{left:15%;animation-delay:0s;box-shadow:180px 40px 0 rgba(185,28,28,.6),360px 90px 0 rgba(185,28,28,.4),540px 30px 0 rgba(239,68,68,.5),720px 70px 0 rgba(185,28,28,.3),900px 50px 0 rgba(239,68,68,.6)}
.hero-embers::after{left:5%;animation-delay:3s;box-shadow:200px 60px 0 rgba(239,68,68,.4),400px 110px 0 rgba(185,28,28,.5),600px 40px 0 rgba(239,68,68,.3),800px 80px 0 rgba(185,28,28,.6),1000px 30px 0 rgba(239,68,68,.4)}
@keyframes ember1{0%,100%{transform:translateY(0) scale(1);opacity:.6}50%{transform:translateY(-20px) scale(1.3);opacity:1}}
.hero-overlay{position:absolute;inset:0;background:radial-gradient(ellipse at 50% 40%,rgba(185,28,28,.12) 0%,rgba(10,10,10,.30) 55%,transparent 75%);pointer-events:none}
.hero-center{position:relative;z-index:1;max-width:960px;margin:0 auto}
.hero-eyebrow{display:flex;flex-wrap:wrap;justify-content:center;gap:8px;margin-bottom:26px}
.hero-eyebrow span{background:rgba(185,28,28,.18);border:1px solid rgba(239,68,68,.32);color:var(--hb-red-brt);font-family:'Inter',sans-serif;font-size:.62rem;font-weight:800;letter-spacing:2px;text-transform:uppercase;padding:5px 14px;border-radius:var(--r-xs)}
.hero-h1{font-family:'Anton',display;font-size:3.2rem;letter-spacing:1px;line-height:1.10;color:var(--hb-white);margin-bottom:18px;text-transform:uppercase}
.h1-red{color:var(--hb-red-lgt)}
.hero-sub{font-size:1rem;line-height:1.80;color:rgba(255,255,255,.58);max-width:720px;margin:0 auto 28px}
.hero-sub strong{color:var(--hb-red-brt)}

/* Product */
.hero-product{position:relative;display:inline-block;margin:0 auto 22px}
.hp-glow{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:260px;height:260px;border-radius:50%;background:radial-gradient(ellipse,rgba(185,28,28,.28) 0%,rgba(185,28,28,.10) 60%,transparent 75%);pointer-events:none}
.hp-rating{color:var(--hb-red-brt);font-size:.78rem;font-weight:700;margin-bottom:10px;position:relative;z-index:1}
.hp-link{display:block;position:relative;z-index:1}
.hp-link img{width:auto;max-width:240px;max-height:300px;object-fit:contain;filter:drop-shadow(0 14px 44px rgba(0,0,0,.70)) drop-shadow(0 0 60px rgba(185,28,28,.30));transition:transform .5s;display:block;margin:0 auto}
.hp-link:hover img{transform:scale(1.04) translateY(-8px)}
.hp-chips{display:flex;flex-wrap:wrap;justify-content:center;gap:6px;margin-top:14px;position:relative;z-index:1}
.hp-chips span{background:rgba(255,255,255,.07);border:1px solid rgba(239,68,68,.24);color:rgba(255,255,255,.82);font-size:.66rem;font-weight:600;text-transform:uppercase;letter-spacing:.3px;padding:4px 12px;border-radius:var(--r-xs)}

/* Claims 6-grid */
.hero-claims{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;max-width:640px;margin:0 auto 20px;text-align:left}
.hc-item{background:rgba(185,28,28,.12);border:1px solid rgba(239,68,68,.20);border-radius:var(--r-xs);padding:8px 12px;display:flex;align-items:center;gap:8px;font-size:.76rem;font-weight:600;color:rgba(255,255,255,.82);text-transform:uppercase;letter-spacing:.3px}
.hc-item span:first-child{font-size:1rem;flex-shrink:0}

/* Stats */
.hero-stats{display:flex;align-items:center;justify-content:center;flex-wrap:wrap;background:rgba(255,255,255,.04);border:1px solid rgba(239,68,68,.18);padding:13px 20px;max-width:720px;margin:0 auto 22px;border-radius:var(--r-xs)}
.hst-item{display:flex;flex-direction:column;align-items:center;padding:0 16px}
.hst-v{font-family:'Anton',display;font-size:1.55rem;color:var(--hb-red-lgt);line-height:1}
.hst-l{font-size:.58rem;font-weight:700;color:rgba(255,255,255,.40);text-transform:uppercase;letter-spacing:.5px;margin-top:3px}
.hst-div{width:1px;height:34px;background:rgba(255,255,255,.12);flex-shrink:0}
.hero-ctas{display:flex;flex-wrap:wrap;justify-content:center;gap:12px;margin-bottom:14px}
.hero-fine{font-size:.74rem;color:rgba(255,255,255,.30)}
.hero-disc{font-size:.70rem;color:rgba(255,255,255,.20);margin-top:6px;line-height:1.55}

/* ═══ FORMULA STRIP ═══ */
.formula-strip{background:var(--hb-red);padding:10px 24px;overflow:hidden}
.fs-inner{max-width:1200px;margin:0 auto;display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:4px 8px}
.fs-label{font-family:'Inter',sans-serif;font-size:.64rem;font-weight:800;letter-spacing:2px;text-transform:uppercase;color:rgba(255,255,255,.60);margin-right:6px}
.fs-inner span:not(.fsdot):not(.fs-label){font-size:.80rem;font-weight:700;color:var(--hb-white);white-space:nowrap}
.fsdot{color:rgba(255,255,255,.36)!important;font-size:.55rem!important;align-self:center}

/* ═══ SCIENCE — 3-col cards ═══ */
.science-section{background:var(--hb-dark-mid);padding:64px 40px}
.sci-cards{max-width:1200px;margin:0 auto;display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-bottom:36px}
.sci-card{background:var(--hb-card);border:1px solid var(--hb-border-dk);border-radius:var(--r-md);padding:28px 22px;transition:border-color .25s,box-shadow .25s;border-top:4px solid var(--hb-red)}
.sci-card:hover{border-color:var(--hb-red-lgt);box-shadow:0 6px 24px rgba(185,28,28,.18)}
.sc-icon{font-size:2rem;display:block;margin-bottom:12px}
.sci-card h3{font-size:1rem;font-weight:800;color:var(--hb-red-brt);margin-bottom:4px;text-transform:uppercase;letter-spacing:.4px;line-height:1.3}
.sc-lead{font-size:.70rem;font-weight:700;color:rgba(255,255,255,.36);text-transform:uppercase;letter-spacing:.4px;display:block;margin-bottom:12px}
.sci-card p{font-size:.84rem;line-height:1.70;color:rgba(255,255,255,.52)}

/* Specs bar */
.specs-bar{max-width:1100px;margin:0 auto;background:var(--hb-card);border:1px solid var(--hb-border-dk);border-radius:var(--r-md);overflow:hidden}
.spb-hdr{background:var(--hb-red);color:var(--hb-white);font-family:'Inter',sans-serif;font-size:.62rem;font-weight:800;text-transform:uppercase;letter-spacing:2px;padding:10px 22px}
.spb-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.spb-item{display:flex;flex-direction:column;padding:12px 18px;border-right:.5px solid var(--hb-border-dk);border-bottom:.5px solid var(--hb-border-dk);transition:background .15s}
.spb-item:hover{background:rgba(185,28,28,.10)}
.spbk{font-size:.68rem;font-weight:800;color:rgba(255,255,255,.40);text-transform:uppercase;letter-spacing:.5px;margin-bottom:3px}
.spbv{font-size:.82rem;color:rgba(255,255,255,.72)}
.spbg{color:var(--hb-red-lgt);font-weight:700}
.sci-disc{max-width:860px;margin:12px auto 0;font-size:.74rem;color:rgba(255,255,255,.28);text-align:center;line-height:1.6}

/* ═══ PRICE BAND ═══ */
.price-band{background:var(--hb-red);padding:38px 24px 14px;text-align:center;border-top:3px solid var(--hb-red-lgt)}
.pb-inner h2{font-family:'Anton',display;font-size:1.8rem;letter-spacing:.5px;text-transform:uppercase;color:var(--hb-white);margin-bottom:8px}
.pb-inner p{font-size:.92rem;color:rgba(255,255,255,.56)}
.price-sec{background:var(--hb-dark);padding:42px;text-align:center}
.price-link img{max-width:900px;width:100%;height:auto;object-fit:contain;border-radius:var(--r-sm);display:block;margin:0 auto;transition:transform .3s}
.price-link:hover img{transform:scale(1.01)}

/* ═══ INGREDIENTS — 3×3 grid ═══ */
.ing-section{background:var(--hb-card-lgt);padding:64px 40px}
.ing-grid{max-width:1200px;margin:0 auto;display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-bottom:22px}
.ing-card{background:var(--hb-card);border:1px solid var(--hb-border-dk);border-radius:var(--r-md);padding:20px 18px;box-shadow:var(--sh-sm);transition:box-shadow .25s,transform .25s,border-color .25s;border-left:4px solid var(--hb-red)}
.ing-card:hover{box-shadow:var(--sh-lg);transform:translateY(-4px);border-color:var(--hb-red-lgt)}
.ic-marker{font-family:'Anton',display;font-size:1.1rem;letter-spacing:.3px;color:var(--hb-red-mid);display:block;margin-bottom:5px}
.ing-card h4{font-size:.96rem;font-weight:800;color:var(--hb-white);margin-bottom:3px;line-height:1.3}
.ic-tag{font-size:.66rem;font-weight:700;text-transform:uppercase;letter-spacing:.4px;color:rgba(255,255,255,.34);display:block;margin-bottom:9px}
.ing-card p{font-size:.80rem;line-height:1.65;color:rgba(255,255,255,.48)}
.ing-disc{max-width:860px;margin:0 auto;background:rgba(185,28,28,.10);border:1px solid rgba(239,68,68,.18);border-radius:var(--r-xs);padding:12px 18px;font-size:.76rem;color:rgba(255,255,255,.34);line-height:1.6}

/* ═══ OVERVIEW ═══ */
.overview-section{background:var(--hb-white);padding:64px 40px}
.ov-wrap{max-width:1100px;margin:0 auto;display:grid;grid-template-columns:260px 1fr;gap:52px;align-items:start}
.ov-img img{width:100%;max-width:240px;height:auto;object-fit:contain;filter:drop-shadow(0 8px 26px rgba(10,10,10,.18));display:block;margin:0 auto}
.ov-cap{text-align:center;margin-top:10px;font-size:.70rem;font-weight:700;color:var(--hb-faint);text-transform:uppercase;letter-spacing:.5px}
.ov-text h3{font-size:1.45rem;font-weight:800;color:var(--hb-black);margin-bottom:16px;line-height:1.3}
.ov-text p{font-size:1rem;line-height:1.85;color:var(--hb-muted);margin-bottom:14px}

/* ═══ BENEFITS — horizontal rows ═══ */
.benefits-section{background:var(--hb-dark);padding:64px 40px}
.ben-rows{max-width:920px;margin:0 auto;display:flex;flex-direction:column;gap:12px;margin-bottom:18px}
.ben-row{background:var(--hb-card);border:1px solid var(--hb-border-dk);border-radius:var(--r-md);padding:20px 24px;display:grid;grid-template-columns:52px 1fr;gap:16px;align-items:center;transition:box-shadow .25s,border-color .25s;border-left:5px solid var(--hb-red)}
.ben-row:hover{box-shadow:0 6px 22px rgba(185,28,28,.18);border-color:var(--hb-red-lgt)}
.br-ico{font-size:1.7rem;text-align:center}
.br-body h4{font-size:.96rem;font-weight:800;color:var(--hb-white);margin-bottom:5px;text-transform:uppercase;letter-spacing:.3px}
.br-body p{font-size:.84rem;line-height:1.68;color:rgba(255,255,255,.50)}
.ben-disc{max-width:860px;margin:0 auto;font-size:.74rem;color:rgba(255,255,255,.28);text-align:center;line-height:1.6}

/* ═══ HOWTO ═══ */
.howto-section{background:var(--hb-off-w);padding:64px 40px}
.howto-steps{max-width:860px;margin:0 auto;display:flex;flex-direction:column;gap:0}
.hs-step{display:grid;grid-template-columns:54px 1fr;gap:0;align-items:start;position:relative}
.hs-step:not(:last-child)::after{content:'';position:absolute;left:26px;top:54px;bottom:0;width:2px;background:linear-gradient(to bottom,var(--hb-red),rgba(185,28,28,.10));z-index:0}
.hs-num{width:52px;height:52px;border-radius:var(--r-xs);background:linear-gradient(135deg,var(--hb-red) 0%,var(--hb-red-mid) 100%);color:var(--hb-white);font-family:'Anton',display;font-size:1.3rem;display:flex;align-items:center;justify-content:center;flex-shrink:0;position:relative;z-index:1;box-shadow:var(--sh-red)}
.hs-body{padding:6px 0 34px 22px}
.hs-body h4{font-size:.96rem;font-weight:800;color:var(--hb-black);margin-bottom:6px;text-transform:uppercase;letter-spacing:.3px}
.hs-tldr{font-size:.83rem;background:var(--hb-red-xpal);border-left:3px solid var(--hb-red);padding:8px 12px;border-radius:0 var(--r-xs) var(--r-xs) 0;margin-bottom:9px;line-height:1.55;color:var(--hb-red-mid);font-weight:700}
.hs-body p:last-child{font-size:.94rem;line-height:1.80;color:var(--hb-muted)}

/* ═══ REVIEWS ═══ */
.reviews-section{background:var(--hb-dark-mid);padding:64px 40px}
.rev-grid{max-width:1160px;margin:0 auto;display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.rev-card{background:var(--hb-card);border:1px solid var(--hb-border-dk);border-radius:var(--r-md);padding:24px 20px;transition:box-shadow .3s,transform .3s;border-top:4px solid var(--hb-red)}
.rev-card:hover{box-shadow:0 10px 32px rgba(185,28,28,.20);transform:translateY(-4px)}
.rc-top{display:flex;align-items:center;gap:12px;margin-bottom:12px}
.rc-av{width:64px;height:64px;border-radius:var(--r-xs);object-fit:cover;border:2px solid var(--hb-red);flex-shrink:0}
.rc-stars{color:#f87171;font-size:1rem;letter-spacing:2px;margin-bottom:3px}
.rc-name{font-size:.92rem;font-weight:800;color:var(--hb-white);margin-bottom:1px;text-transform:uppercase;letter-spacing:.3px}
.rc-name span{font-weight:400;font-size:.79rem;color:rgba(255,255,255,.40);text-transform:none;letter-spacing:0}
.rc-badge{font-size:.70rem;font-weight:700;color:#4ade80}
.rc-quote{font-size:.88rem;line-height:1.72;color:rgba(255,255,255,.54);font-style:italic;border-left:3px solid var(--hb-red);padding-left:12px}

/* ═══ GUARANTEE ═══ */
.guar-section{background:var(--hb-grey);padding:64px 40px;border-top:3px solid var(--hb-red);border-bottom:3px solid var(--hb-red)}
.guar-inner{max-width:1060px;margin:0 auto;display:grid;grid-template-columns:260px 1fr;gap:56px;align-items:center}
.guar-img img{width:100%;max-width:240px;height:auto;object-fit:contain;display:block;margin:0 auto;filter:drop-shadow(0 6px 20px rgba(10,10,10,.14))}
.guar-text h2{font-family:'Anton',display;font-size:1.8rem;text-transform:uppercase;letter-spacing:.5px;color:var(--hb-black);line-height:1.25;margin-bottom:14px}
.guar-text p{font-size:1rem;line-height:1.82;color:var(--hb-muted);margin-bottom:12px}

/* ═══ FAQs ═══ */
.faq-section{background:var(--hb-white);padding:60px 40px}
.faq-list{max-width:880px;margin:0 auto;display:flex;flex-direction:column;gap:8px}
.faq-item{background:var(--hb-off-w);border:1px solid var(--hb-border);border-radius:var(--r-sm);overflow:hidden}
.faq-q{width:100%;background:none;border:none;text-align:left;padding:17px 22px;font-family:'Inter',sans-serif;font-size:.90rem;font-weight:700;color:var(--hb-text);cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:13px;transition:background .2s;line-height:1.45;text-transform:uppercase;letter-spacing:.3px}
.faq-q:hover{background:var(--hb-red-xpal)}
.faq-arr{font-size:1.4rem;font-weight:300;transition:transform .3s;color:var(--hb-red-mid);flex-shrink:0;line-height:1}
.faq-ans{display:none;padding:0 22px 18px;font-size:.95rem;line-height:1.78;color:var(--hb-muted);border-top:1px solid var(--hb-border)}
.faq-ans p{padding-top:13px}
.faq-tldr{font-size:.84rem;background:var(--hb-red-xpal);border-left:3px solid var(--hb-red);padding:8px 13px;border-radius:0 var(--r-xs) var(--r-xs) 0;line-height:1.55;color:var(--hb-red-mid);font-weight:700}
.faq-item.open .faq-ans{display:block}
.faq-item.open .faq-arr{transform:rotate(45deg);color:var(--hb-black)}
.faq-item.open .faq-q{background:var(--hb-red-xpal)}

/* ═══ FINAL CTA ═══ */
.cta-final{background:var(--hb-black);padding:84px 24px;text-align:center;border-top:3px solid var(--hb-red);position:relative;overflow:hidden}
.cta-final::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse at 50% 0%,rgba(185,28,28,.20) 0%,transparent 55%);pointer-events:none}
.ctaf-inner{position:relative;z-index:1;max-width:800px;margin:0 auto}
.ctaf-inner h2{font-family:'Anton',display;font-size:2.6rem;letter-spacing:1px;text-transform:uppercase;color:var(--hb-white);margin-bottom:12px;line-height:1.15}
.ctaf-inner h2 span{color:var(--hb-red-lgt)}
.ctaf-sub{font-size:.82rem;color:rgba(255,255,255,.30);margin-bottom:34px;line-height:1.7}
.ctaf-product{max-width:220px;margin:0 auto 28px}
.ctaf-product img{width:100%;height:auto;object-fit:contain;filter:drop-shadow(0 0 40px rgba(185,28,28,.32)) drop-shadow(0 16px 40px rgba(0,0,0,.70));transition:transform .4s}
.ctaf-product:hover img{transform:scale(1.05) translateY(-8px)}
.ctaf-trust{display:flex;flex-wrap:wrap;justify-content:center;gap:8px 24px;margin-top:18px}
.ctaf-trust span{font-size:.76rem;font-weight:600;color:rgba(255,255,255,.34);white-space:nowrap;text-transform:uppercase;letter-spacing:.3px}
.ctaf-disc{font-size:.70rem;color:rgba(255,255,255,.20);margin-top:14px;line-height:1.6}

/* ═══ FOOTER ═══ */
footer{background:var(--hb-black);border-top:3px solid var(--hb-red)}
.footer-grid{max-width:1200px;margin:0 auto;display:grid;grid-template-columns:2fr 1fr 1fr;padding:44px 40px;gap:0;border-bottom:1px solid rgba(185,28,28,.20)}
.fg-brand{padding-right:44px;border-right:1px solid rgba(185,28,28,.20)}
.footer-logo{text-decoration:none;display:flex;align-items:center;margin-bottom:12px}
.fg-desc{font-size:.80rem;line-height:1.70;color:rgba(255,255,255,.28);margin-bottom:16px}
.fg-chips{display:flex;flex-wrap:wrap;gap:6px}
.fg-chips span{background:rgba(185,28,28,.18);border:1px solid rgba(239,68,68,.24);color:var(--hb-red-brt);font-size:.62rem;font-weight:700;text-transform:uppercase;letter-spacing:.3px;padding:3px 10px;border-radius:var(--r-xs)}
.fg-nav{padding:0 24px}
.fg-nav h5{font-family:'Inter',sans-serif;font-size:.80rem;font-weight:800;text-transform:uppercase;letter-spacing:2px;color:var(--hb-red-lgt);margin-bottom:12px;padding-bottom:6px;border-bottom:1px solid rgba(185,28,28,.20)}
.fg-nav ul{list-style:none;padding:0;display:flex;flex-direction:column;gap:9px}
.fg-nav ul li a{color:rgba(255,255,255,.30);text-decoration:none;font-size:.83rem;font-weight:600;text-transform:uppercase;letter-spacing:.3px;transition:color .2s;display:flex;align-items:center;gap:5px}
.fg-nav ul li a::before{content:'›';color:var(--hb-red-lgt);font-size:.9rem}
.fg-nav ul li a:hover{color:var(--hb-white)}
.footer-legal{max-width:1200px;margin:0 auto;padding:14px 40px 20px;text-align:center}
.footer-legal p{font-size:.72rem;color:rgba(255,255,255,.20);line-height:1.65;margin-bottom:7px}
.footer-copy{font-size:.72rem;color:rgba(255,255,255,.20);margin-top:8px;padding-top:8px;border-top:1px solid rgba(185,28,28,.16)}

/* ═══ FADE-UP ═══ */
.fade-up{opacity:0;transform:translateY(22px);transition:opacity .58s ease,transform .58s ease}
.fade-up.visible{opacity:1;transform:translateY(0)}
.hero .fade-up{opacity:1;transform:translateY(0);animation:heroFd .65s ease both}
@keyframes heroFd{from{opacity:0;transform:translateY(22px)}to{opacity:1;transform:translateY(0)}}
.hero .hero-eyebrow{animation-delay:.05s}
.hero .hero-h1{animation-delay:.13s}
.hero .hero-sub{animation-delay:.21s}
.hero .hero-product{animation-delay:.30s}
.hero .hero-claims{animation-delay:.38s}
.hero .hero-stats{animation-delay:.46s}
.hero .hero-ctas{animation-delay:.54s}

/* ═══ RESPONSIVE ═══ */
@media(max-width:1100px){
  .sci-cards{grid-template-columns:1fr 1fr}
  .ing-grid{grid-template-columns:1fr 1fr}
  .spb-grid{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .fg-brand{grid-column:1/-1;border-right:none;border-bottom:1px solid rgba(185,28,28,.20);padding-right:0;padding-bottom:24px;margin-bottom:8px}
}
@media(max-width:900px){
  .hero-h1{font-size:2.6rem}
  .hp-link img{max-width:190px}
  .ov-wrap{grid-template-columns:1fr}
  .rev-grid{grid-template-columns:1fr 1fr}
  .guar-inner{grid-template-columns:1fr;text-align:center}
  .guar-img{order:-1}
  .hst-div{display:none}
  .hero-stats{flex-wrap:wrap;gap:12px}
  .hero-claims{grid-template-columns:1fr 1fr}
  .sci-cards{grid-template-columns:1fr}
}
@media(max-width:640px){
  nav{padding:0 16px}
  .nav-links{display:none}
  .hamburger{display:flex}
  .hero{padding:46px 16px 56px}
  .hero-h1{font-size:2.1rem}
  .science-section,.ing-section,.benefits-section,.howto-section,.overview-section,.reviews-section,.guar-section,.faq-section,.price-sec,.cta-final{padding:44px 20px}
  .rev-grid,.ing-grid{grid-template-columns:1fr}
  .footer-grid,.footer-legal{padding:28px 20px}
  .fg-nav{padding:0}
  .footer-grid{grid-template-columns:1fr}
  .ctaf-inner h2{font-size:2rem}
  .band-hdr{padding:36px 20px 28px}
  .bh-inner h2{font-size:1.65rem}
  .hs-step{grid-template-columns:44px 1fr}
  .hs-num{width:44px;height:44px;font-size:1.05rem}
  .hero-claims{grid-template-columns:1fr}
  .price-sec{padding:32px 16px}
}